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Exceptions
Michael Kleehammer edited this page Apr 13, 2016
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Python exceptions are raised by pyodbc when ODBC errors are detected. The exception classes specified in the Python DB API specification are used:
- Error
- DatabaseError
- DataError
- OperationalError
- IntegrityError
- InternalError
- ProgrammingError
- NotSupportedError
- DatabaseError
When an error occurs, the type of exception raised is based on the SQLSTATE value, typically provided by the database.
| SQLSTATE | Exception |
|---|---|
| 0A000 | pyodbc.NotSupportedError |
| 40002 | pyodbc.IntegrityError |
| 22*** | pyodbc.DataError |
| 23*** | pyodbc.IntegrityError |
| 24*** | pyodbc.ProgrammingError |
| 25*** | pyodbc.ProgrammingError |
| 42*** | pyodbc.ProgrammingError |
| HYT00 | pyodbc.OperationalError |
| HYT01 | pyodbc.OperationalError |
For example, a primary key error (attempting to insert a value when the key already exists) will raise an IntegrityError.